HSS step drill, for copper, brass, aluminum, plastic, wood, with 10 drilling steps
HSS step drill, especially for cable glands in electrical assembly, perfectly round and cylindrical holes in various diameters, centering, spot drilling, reaming and deburring in one operation, suitable for use in hand-held and pillar drilling machines in trade and industry, for sheets and plates, profiles and pipes made of steel, brass, copper, aluminum, V2A steel, plastic, wood, etc. up to 3 mm thickness. Mounting shank 12 mm Ø. After hardening additionally TiN (titanium nitride) coated surfaces are extremely hard and smooth. Higher cutting speed allows faster work, lower wear brings 5 to 10 times longer tool life! Design: HSS-TIN; Drill Ømm: 8.0 center drill; 12.5 through hole for PG7/M12; 14.5 core hole for M16; 16.5 through hole for M16; 18.5 core hole for M20; 20.5 through hole for M20; 23.5 core hole for M25; 25.5 through hole for M25; 30.5 core hole for M32; 32.5 through hole for M32; Drill steps: 10. PU: 1.
